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Table 5 Changes of clinical scores between the Groups

From: Radiographic and clinical evidence: osteoarthritic knee can change surgical result for lumbar degenerative disease patient undergone surgery for 3-year follow-up: a retrospective comparative clinical study

 

Group I

Group II

Comparison

 

Value

mean ± SD

p Preop vs

Ultimate PO

Value

mean ± SD

p Preop vs

Ultimate PO

p Group I vs II

ODI score (100%)

 Preop

47.1 ± 21.5

 

45.0 ± 22.6

 

0.501

 Ultimate PO

21.5 ± 13.1

< 0.001*

32.9 ± 12.2

0.011*

< 0.001*

 Ultimate PO-Preop

−25.6 ± 13.7

 

−12.1 ± 11.6

 

< 0.001*

SRS total score (100%)

 Preop

50.8 ± 20.4

 

47.6 ± 20.8

 

0.245

 Ultimate PO

78.8 ± 20.4

0.005*

67.6 ± 16.4

0.268

0.111

 Ultimate PO-Preop

28 ± 25.6

 

20 ± 14.8

 

0.037*

SRS Pain (5)

 Preop

1.7 ± 0.9

 

1.4 ± 1.2

 

0.545

 Ultimate PO

3.6 ± 0.3

< 0.001*

3.1 ± 0.9

< 0.001*

0.395

 Ultimate PO-Preop

1.9 ± 0.9

 

1.7 ± 0.8

 

0.509

SRS Self-image (5)

 Preop

2.9 ± 0.8

 

2.8 ± 1.1

 

0.741

 Ultimate PO

4.2 ± 1.1

< 0.001*

3.9 ± 0.8

0.042*

0.397

 Ultimate PO-Preop

1.3 ± 0.7

 

1.1 ± 0.7

 

0.525

SRS Function (5)

 Preop

2.5 ± 0.8

 

2.6 ± 0.9

 

0.774

 Ultimate PO

3.9 ± 1.0

< 0.001*

3.3 ± 0.7

0.044*

0.123

Ultimate PO - Pre-op

1.4 ± 0.7

 

0.7 ± 0.6

 

0.016*

SRS Satisfaction (5)

 Preop

2.6 ± 1.5

 

2.4 ± 1.1

 

0.622

 Ultimate PO

4.2 ± 1.7

< 0.001*

3.0 ± 1.1

0.161

< 0.001*

 Ultimate PO-Preop

1.6 ± 2.8

 

0.6 ± 1.0

 

< 0.001*

SRS Mental health (5)

 Preop

3 ± 1.1

 

2.7 ± 0.9

 

0.391

 Ultimate PO

3.8 ± 1.0

0.221

3.6 ± 0.6

0.391

0.624

 Ultimate PO-Preop

0.8 ± 1.3

 

0.9 ± 0.6

 

0.777

  1. * Statistically significant if p < 0.05 in student t test
  2. Preop Preoperative, PO Postoperative follow-up, SD Standard deviation, ODI Oswestry disability index questionnaire, SRS Scoliosis Research Society-22 questionnaire